//:C13:Tree.h
#ifndef TREE_H__
#define TREE_H__
#include <iostream>
#include <ostream>

class Tree
{
    int height;
    public:
        Tree(int treeHeight) : height(treeHeight){}
        ~Tree(){ std::cout << "*"; }
        friend std::ostream&
            operator<<(std::ostream &os, const Tree *t)
        {
            return os << "Tree height is: " 
                      << t->height << std::endl;
        }    
};
#endif
